(19)
(11)
EP 0 920 477 A1
(12)
(43)
Date of publication:
09.06.1999
Bulletin 1999/23
(21)
Application number:
97938638.0
(22)
Date of filing:
26.08.1997
(51)
International Patent Classification (IPC):
C07G
1/
00
( . )
C08L
67/
00
( . )
C08L
71/
02
( . )
C07G
99/
00
( . )
C08L
67/
02
( . )
C08L
97/
00
( . )
(86)
International application number:
PCT/US1997/015039
(87)
International publication number:
WO 1998/008903
(
05.03.1998
Gazette 1998/09)
(84)
Designated Contracting States:
AT BE CH DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE
(30)
Priority:
26.08.1996
US 19960024558P
(71)
Applicant:
KURPLE, Kenneth R.
Anchorville, MI 48004 (US)
(72)
Inventor:
KURPLE, Kenneth R.
Anchorville, MI 48004 (US)
(74)
Representative:
Jones, Stephen Anthony, et al
Lewis & Taylor, 49 Stoney Street
Nottingham, NG1 1LX
Nottingham, NG1 1LX (GB)
(54)
MODIFIED LIGNINS